Oracle: Jade Ihara Adventures Book 1

While excavating a previously uncharted passage beneath the ancient city of Teotihuacan, archaeologist Jade Ihara makes a startling discovery: enormous stone spheres, arranged to resemble a model of the solar system, slowly orbiting a golden sun. Even more fantastic, when Jade attempts to move one of the spheres, she catches a glimpse of the future...a premonition that will save her life and launch her into a desperate race to unlock the mysterious secret of the oracular orbs.

Changeling: Jade Ihara Adventures Book 2

Two thousand years ago, the legendary mathematical genius Archimedes was poised on the brink of the greatest discovery in human history when his life was brutally snuffed out. His murder has never been explained. While investigating the strange Paracas skulls - believed by some to be the remains of extraterrestrial explorers - archaeologist Jade Ihara receives an unexpected visit from an old foe seeking her help against entities he calls "Changelings".